Dear Statalisters: I have a trinomial distributions with possible events A, B and C. I have obtained obtained results from a number of samples (or if this complicates the situation much more, just consider one sample); I have the marginal confidence interval for the proportion for each of the events but I would like a joint confidence interval, say 95%, for the actual proportions and plot the interval.
The method that I am using at the moment is trial and error (testing each combination whether it lies in the interval) but this takes days, it is not scientific and I am not really sure for the validity of the result.
I apologize for the non-Stata question. Could you please help? Thanks in advance.
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